Q.1.
This can transform nitrogen in the atmosphere into a usable form of nitrogen
Q.2.
The process in which nitrogen circulates and is recycled is called
Q.3.
_____ is the conversion of organic nitrogen into ammonia
Q.4.
Majority of nitrogen fixation occurs by
Q.5.
How nitrogen is "fixed" into useable form for plants...
Q.6.
We need nitrogen to make
Q.7.
What is the role of decomposing bacteria in the nitrogen cycle?
Q.8.
True or False. The nitrogen in the atmosphere is in the right form for living things to use.
Q.9.
What % of the air is made of nitrogen?
Q.10.
If the atmosphere isNwhy can't we just get our nitrogen by breathing?
Q.11.
After plants and animals contain nitrogen, what puts it back into atmosphere and soil?
Q.12.
All plants have nitrogen fixing bacteria in their roots.
Q.13.
Bacteria create a form of nitrogen that animals can use directly.
Q.14.
What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?
Q.15.
The process that allows organisms to use nitrogen
Q.16.
What converts nitrogen gas into a usable form for plants and animals?
Q.17.
How is nitrogen "fixed" into a usable form for plants?
Q.18.
Nitrification happens in the ______
Q.19.
Organisms that play a role in the nitrogen cycle
Q.20.
Plants and animals cannot use nitrogen directly from the air.